Please help me solve this general accounting problem with the correct financial process.

Alpine Bakery uses a standard cost system to track costs for its signature "maple walnut" bread. The materials standard for each loaf produced is 0.8 pounds of walnuts at a standard cost of $5.25 per pound. During the month of October, Alpine purchased 14,500 pounds of walnuts at a total cost of $79,750. Alpine used all of these walnuts to produce 19,000 loaves of bread. What is Alpine's materials quantity variance for the month of October